idnr: 73

3			2


4			3

Difficulty: Very easy (0)

idnr: 753

	1
	2
		3
		1

Difficulty: Super easy (0)

idnr: 117

	3
1
			4
		2

Difficulty: Super easy (0)

idnr: 382

		4
			3
1
	4

Difficulty: Super easy (0)